package cn.itcast.consumer.client;

import cn.itcast.consumer.config.FeignConfig;
import cn.itcast.consumer.pojo.User;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;

/**
 * @author 虎哥
 */
@FeignClient(value = "user-service", fallback = UserClient.UserClientFallback.class, configuration = FeignConfig.class)
public interface UserClient {

    @GetMapping("/user/{id}")
    User queryById(@PathVariable("id") Long id);


    @Component
    class UserClientFallback implements UserClient{
        /**
         * 编写方法的失败降级逻辑
         */
        @Override
        public User queryById(Long id) {
            return new User();
        }
    }
}
